A regular running track is 400 metres around, hence 300 metres is equal to 3/4 of one lap, according to Amateur Endurance. Each lane of the track has a distinct starting point to allow for the additional length of the outside lanes.
Four circuits around a standard-size track is 1,600 metres, which is little less than 1 mile. A track has between four and eight lanes, although a competitive track must to have at least six lanes, according to the Department of Sport and Recreation for the government of Western Australia. Tracks normally are surfaced with grass, cinder or a synthetic material.